VIVALDI M 680

Q8 Vivaldi M 680 is an exceptional heavy duty circulating oil specially designed for no-twist rod mills. This superior circulating oil fully meets the requirements of Morgoil no-twist rod mills and Danielli rod mills. Q8 Vivaldi M 680 offers extreme demulsibility and is the perfect product for circulating lubrication in gears and bearings

Q8 Vivaldi M 680 is used in no-twist rod mills, hydraulic applications that require a high viscosity oil, marine and industrial gearboxes and general equipment. It is highly recommended for plain and rolling bearings. Q8 Vivaldi M 680 is suited for valves and pumps and for moderate duty spur, bevel and helical gear units.

Minimizes downtime which leads to a higher maintenance efficiency
Extensive oil drain interval for a longer lubricant lifetime
Superior separation of water
Excellent air release
Extreme protection against corrosion
Outstanding oxidation stability
Low residue forming
Outstanding foam stability

Properties	Method	Unit	Typical
ISO Viscosity Grade	-	-	680
Density, 20 °C	D 4052	g/ml	0,908
Colour	D 1500	-	L 4.5
Kinematic Viscosity, 40 °C	D 445	mm²/s	680
Kinematic Viscosity, 100 °C	D 445	mm²/s	37.9
Viscosity Index	D 2270	-	92
Pour Point	D 97	°C	-6
Flash Point, COC	D 92	°C	264
Emulsion, Distilled Water, 82.2 °C	D 1401	-	40-40-0(20)
Foam, 5 min blowing, seq. 1-2-3	D 892	ml	10/20/10
Foam, 10 min settling, seq. 1-2-3	D 892	ml	0/0/0
Rust Test, Proc. A and B, 24 h	D 665	-	pass
Copper Strip, 3 h, 100 °C	D 130	-	1
FZG Test, A/8.3/90	DIN 51354	load stage	>12

*The figures above are not a specification. They are typical figures obtained within production tolerances.

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VIVALDI M 680